EP2562750A4 - Encoding device, decoding device, encoding method and decoding method - Google Patents

Encoding device, decoding device, encoding method and decoding method

Info

Publication number
EP2562750A4
EP2562750A4 EP11771712.4A EP11771712A EP2562750A4 EP 2562750 A4 EP2562750 A4 EP 2562750A4 EP 11771712 A EP11771712 A EP 11771712A EP 2562750 A4 EP2562750 A4 EP 2562750A4
Authority
EP
European Patent Office
Prior art keywords
encoding
decoding
decoding device
encoding device
encoding method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11771712.4A
Other languages
German (de)
French (fr)
Other versions
EP2562750B1 (en
EP2562750A1 (en
Inventor
Tomofumi Yamanashi
Masahiro Oshikiri
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Corp of America
Original Assignee
Panasonic Intellectual Property Corp of America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Corp of America filed Critical Panasonic Intellectual Property Corp of America
Publication of EP2562750A1 publication Critical patent/EP2562750A1/en
Publication of EP2562750A4 publication Critical patent/EP2562750A4/en
Application granted granted Critical
Publication of EP2562750B1 publication Critical patent/EP2562750B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0006—Tree or treillis structures; Delayed decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP11771712.4A 2010-04-19 2011-04-01 Encoding device, decoding device, encoding method and decoding method Active EP2562750B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010096095 2010-04-19
PCT/JP2011/001986 WO2011132368A1 (en) 2010-04-19 2011-04-01 Encoding device, decoding device, encoding method and decoding method

Publications (3)

Publication Number Publication Date
EP2562750A1 EP2562750A1 (en) 2013-02-27
EP2562750A4 true EP2562750A4 (en) 2014-07-30
EP2562750B1 EP2562750B1 (en) 2020-06-10

Family

ID=44833913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11771712.4A Active EP2562750B1 (en) 2010-04-19 2011-04-01 Encoding device, decoding device, encoding method and decoding method

Country Status (4)

Country Link
US (1) US9508356B2 (en)
EP (1) EP2562750B1 (en)
JP (1) JP5714002B2 (en)
WO (1) WO2011132368A1 (en)

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US9076434B2 (en) 2010-06-21 2015-07-07 Panasonic Intellectual Property Corporation Of America Decoding and encoding apparatus and method for efficiently encoding spectral data in a high-frequency portion based on spectral data in a low-frequency portion of a wideband signal
KR101398189B1 (en) * 2012-03-27 2014-05-22 광주과학기술원 Speech receiving apparatus, and speech receiving method
EP2898506B1 (en) 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CN104282312B (en) 2013-07-01 2018-02-23 华为技术有限公司 Signal coding and coding/decoding method and equipment
WO2015049820A1 (en) 2013-10-04 2015-04-09 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Sound signal encoding device, sound signal decoding device, terminal device, base station device, sound signal encoding method and decoding method
US10559315B2 (en) 2018-03-28 2020-02-11 Qualcomm Incorporated Extended-range coarse-fine quantization for audio coding
US10762910B2 (en) 2018-06-01 2020-09-01 Qualcomm Incorporated Hierarchical fine quantization for audio coding

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JP3307138B2 (en) * 1995-02-27 2002-07-24 ソニー株式会社 Signal encoding method and apparatus, and signal decoding method and apparatus
JPH11219197A (en) * 1998-02-02 1999-08-10 Fujitsu Ltd Method and device for encoding audio signal
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
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AU2007332508B2 (en) * 2006-12-13 2012-08-16 Iii Holdings 12, Llc Encoding device, decoding device, and method thereof
FR2912249A1 (en) * 2007-02-02 2008-08-08 France Telecom Time domain aliasing cancellation type transform coding method for e.g. audio signal of speech, involves determining frequency masking threshold to apply to sub band, and normalizing threshold to permit spectral continuity between sub bands
JP4871894B2 (en) * 2007-03-02 2012-02-08 パナソニック株式会社 Encoding device, decoding device, encoding method, and decoding method
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US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
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"ITU-T G.718 - Frame error robust narrow-band and wideband embedded variable bit-rate coding of speech and audio from 8-32 kbit/s", 30 June 2008 (2008-06-30), XP055087883, Retrieved from the Internet <URL:http://www.itu.int/rec/T-REC-G.718-200806-I> [retrieved on 20131112] *
3GPP: "3rd Generation Partnership Project; Technical Specification Group Service and System Aspects; Audio codec processing functions; Extended AMR Wideband codec; Transcoding functions (Release 6)", 3GPP TS 26.290 V1.0.0, XX, XX, 1 June 2004 (2004-06-01), pages 1 - 72, XP002301758 *
RAGOT S ET AL: "Low-complexity multi-rate lattice vector quantization with application to wideband TCX sppech coding at 32 Kbit/s", ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, 2004. PROCEEDINGS. (ICASSP ' 04). IEEE INTERNATIONAL CONFERENCE ON MONTREAL, QUEBEC, CANADA 17-21 MAY 2004, PISCATAWAY, NJ, USA,IEEE, PISCATAWAY, NJ, USA, vol. 1, 17 May 2004 (2004-05-17), pages 501 - 504, XP010717675, ISBN: 978-0-7803-8484-2, DOI: 10.1109/ICASSP.2004.1326032 *
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Also Published As

Publication number Publication date
EP2562750B1 (en) 2020-06-10
WO2011132368A1 (en) 2011-10-27
US20130035943A1 (en) 2013-02-07
JPWO2011132368A1 (en) 2013-07-18
US9508356B2 (en) 2016-11-29
EP2562750A1 (en) 2013-02-27
JP5714002B2 (en) 2015-05-07

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